Negative Clicker

Suggestions

First: Click the circle multiple times quickly. It snaps back. It also get's really big. Maybe fix this?

Second: Instead of "costs 25 clicks," it would say "receive 25 clicks" because -x + 25 = -(x - 25)

Third: "Upgrade PPC" could be "Downgrade PPC," since you *lower* the amount of PPC.